Answer:
100 people
Step-by-step explanation:
if u notice the points are (2,6) and (6,18). 6÷2=3 and 18÷6=3, so if you catch this pattern than you can do 300÷3=100
Yeah sure! Just make sure to post them haha :)

just a plain vanilla substitution
The answer is B, I attached a picture of the steps.